25979271 has 16 divisors (see below), whose sum is σ = 35896320. Its totient is φ = 16695360.

The previous prime is 25979269. The next prime is 25979311. The reversal of 25979271 is 17297952.

It is not a de Polignac number, because 25979271 - 2¹ = 25979269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25979231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37696 + ... + 38378.

It is an arithmetic number, because the mean of its divisors is an integer number (2243520).

Almost surely, 2^25979271 is an apocalyptic number.

25979271 is a deficient number, since it is larger than the sum of its proper divisors (9917049).

25979271 is a wasteful number, since it uses less digits than its factorization.

25979271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its digits is 79380, while the sum is 42.

The square root of 25979271 is about 5096.9864626071. The cubic root of 25979271 is about 296.1708556763.

The spelling of 25979271 in words is "twenty-five million, nine hundred seventy-nine thousand, two hundred seventy-one".